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Snake: Difference between revisions

154 bytes added ,  11 months ago
m
→‎{{header|Julia}}: update for Makie changes to Observables
m (→‎{{header|Julia}}: update for Makie changes to Observables)
Line 3,261:
 
=={{header|Julia}}==
<syntaxhighlight lang="julia">using MakieGLMakie, GeometryBasics
Makie version in 99 lines.
<syntaxhighlight lang="julia">using Makie
 
mutable struct SnakeGame
height::Int
width::Int
snake::Vector{CartesianIndex{2}}
food::CartesianIndex{2}
end
 
Line 3,307 ⟶ 3,306:
 
function play(;n=10,t=0.5)
game = NodeObservable(SnakeGame(;width=n,height=n))
scene = Scene(resolution = (1000, 1000), raw = true, camera = campixel!)
display(scene)
Line 3,328 ⟶ 3,327:
 
score_text = @lift("Score: $(length($game.snake)-1)")
text!(scene, score_text, color=:gray, position = @lift((widths($area)[1]/2, widths($area)[2])), textsizefontsize = 50, align = (:center, :top))
 
direction = Ref{Any}(nothing)
 
on(events(scene).events.keyboardbuttonskeyboardbutton) do but
if ispressed(but,.action == Keyboard.press || but.action == Keyboard.left)repeat
direction[]if but.key == CartesianIndex(-1,0)Keyboard.left
direction[] = CartesianIndex(-1,0)
elseif ispressed(but, Keyboard.up)
direction[]elseif but.key == CartesianIndex(0,1)Keyboard.up
direction[] = CartesianIndex(0,1)
elseif ispressed(but, Keyboard.down)
direction[]elseif but.key == CartesianIndex(0,-1)Keyboard.down
direction[] = CartesianIndex(0,-1)
elseif ispressed(but, Keyboard.right)
direction[]elseif but.key == CartesianIndex(1,0)Keyboard.right
direction[] = CartesianIndex(1,0)
end
end
end
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